Blade mounting for grading machines



Feb. 1, 1949. A. R. HENRY BLADE MOUNTING FOR GRADING MACHINES Filed Nov. 27, 1944 2 Sheets-Sheet 1 Feb. l, 1949. A- R HENRY v2,460,348

BLADE vMOUNTING FOR GRADING MACHINES 2 Sheets-Sheefl 2 Filed Nov. 27, 1944 if t Patented Feb. 1, 1949 UNITED STAI es .essa

enana MenNrrING .non aaADING Maennyns .y ill-bert it. Henry, Salina, Kans., assignorto Henry Manufacturing Company, IInc., Topeka, Kans.,

Y `anorporation ofKansas .apprnaaonnovember 21,1944, serial No. 565,260 femme, 01. 37e-14.4)

' :rune 21, isis, and which 'has since issued es Pattent No "2,379,1522. j

The principal object of the inventionis the pirovision 'of scraper "blade mounting 'having -adjustable means whereby the angle of inclination of lthe blade vtothe earth surface being worked may Aloe-varied. Y

vAnother obj-ect is the provision of iblad-e mounting having fa vertically adjustable depth vgauge whereby Athe depth yor cut oi the blade maybe varied.

Other `objects are simplicityand rigidity of'construction, `ease of adjustment, and adaptability ier use with most of the various types oi gradi-ng mael'iines ywher-ehn pu-sh arms are used -to 3propel 1a grader'fblade fHaving these "objects 'in view as well las other yobjects lwhich will lvappear duri-ng the 4'co-urseo'f 'this speciiication, reference Lwill l-now be had to the drawings wherein:

Figure '1 -is a 'plan view lfoi a :grader blade and mounting, partly section and embodying this vinvention. Y

Fig. V2 is a vertical sectional viewetaken -on line -I-Tof Fig. 1.

` `Fig. 3 is :a side elevationof Jthe blade mounting means shown-in'igfl; Y

Fig. 4 lis -a-n enlargedcross sectional view taken on line I'V-V o'f Fig. '2. n A

Fig.' 5 is a sectional Yview Ataken `on line V-V =oifig. 4. l Y Y Y Fig. f6 is an elevational view oi the adjusting member, Y

Fig. 7 'is -a-'s'ectiona-l 'View taken on line VIL-VII of'Fig. 4.

Throughout 'the several views like reference characters reer to `similar parts yand the ynumoral 4Idesignates a ragmentary sectional View ein lloading ldevice frame, adapted to beV attached to atrae-tor aseelearly shown inimy pendingapplicationcreiierreditofabove. Y v

This trarne carries upwardly extending track n end of member positioned between vand `I8 is transversely perforated vat -S'I vto receive 2 members |"2, which serve to receive'th'e rollers M carried by the side .arms I6 of 'boom |28 Iwhich is adapted vtoberaisedandi-lowered by cables 2`'as Vl'leser'ibed and 'shown in 'the pendingappliea'ti'on.

Boom I8 'has Va cross' ybar 22 Land forwardly eX- vtending arms 121B. The side arms "of the 'boom 'i8 serve as pushmeinbers when they are in thelow eredpositionasfshown.

While this particu-lar-type'o loading device has .been show-n in conjunction with the invention, however, it is n'quite appa/rent that it might :be vused with other vscraping 'machines 'o1-bulldozers having Apush'arms. Y

The feature of 'neveltylof vthe present invention is the 'blade mountingmea-ns 'whereby the angled relation fof the blade to 'the `earth surface maybe varied and whereby the depth of -cu-t of 'the 'blade :may be Jchanged -to 'suit the 'type ci work being done; 'also the blade may be positioned above the 'earth vsurface when 'performing certain bulldozing operations.

The blade 26, having a removable bit *28 land fa curved 'upper portion', is suitably reinf'orcedby angle :bar '34, ltopan'g-le iironlSZ, and vertically lfeX- tended Vedge ilan'ges 36, is pivotally'mounted a'djacent its opposite ends -to boom 'arms 24 by pins 3S which ipass 'through holes 4U formed through parallel plates i2 fand YM `integr-al with the blade and kwhich straddles the -`en'd 'oi IAthe respective arms .24 as clearly vshown iin lliig, f5, -so that pin ISB lwill -pass through a sleeve 54B `mounted in said arm. Another plate t8 parallel with and 'spaced apart from plate MS bothlof whichf'extend -substantially to the top of the blade are-reinforcing Ymeans for the `blade .zand :also serve Vito receive one fend of an adjusting :member v 5d therebetween. This adjusting member .comprises two side plates l52, Veach having' a notch 54 to lit -over `cross bar 22 .a's :clearly shown yinflig.. 4. 'Plates 2 -are'positioned in parallel relation and vare joined together by a rpair `of parall'el :plates 54 :and "56 to form kwith the side plates 52 `a substantially verticallydisposedrectangular'tube '58. The forward plates 4E the .extended `Vend `of pin f3w'1ich passes through .a -hole formed :through plate 48. When thus mounted rthe adjustment member '50 is securely held .relative to the boom to :serve :as an anchormeans whereby the kblade "32B 'maybe adjusted at various predetermined angles to the ground surface. A series of spaced apart holes 60 concentric with pin 38 is formed through side plates 52 above notch 5d so that a, pin 64 extended through aligned holes (see Fig. 4) will serve to support the blade in a fixed angle relative to the ground. Plates 5E extended between plates 52 serve as reinforcements and as bearing members to rest against the top and bottom side of cross bar 22.

Slidably mounted in tubular member 53 is a tubular member 68 of rectangular cross section. A tiltable shoe 'iii comprising a base portion 12, a forward inclined end plate lll, a rearwardly inclined plate it, and parallel spaced apart longitudinal ribs 'i8 between which the lower end of member 68 is adapted to fit serves as a foot to rest on the earth to the rear of the scraper blade. The lower end of member 68 is perforated at 80 to receive the bolt 82 which passes through holes 84 formed through ribs 'IS to support the shoe Ill for oscillating movement relative thereto. lower end of member 58 is angled forwardly and rearwardly from its central portion to permit limited free movement of the shoe, and to also serve as a stop at both sides of the pivotal point to contact base l2.

A series of holes 'i4 formed through the side walls of member 68 are disposed in alignment with hole i6 formedv through side walls 52 of The Y member 5! adjacent its lower edge and may be adjusted relative thereto so that pin 'i8 may be positioned therethrough to secure members 5i) and S8 in fixed relative relation.

In the operation of this blade mounting means, the only requirement for changing the angle of blade Zivi-relative to the earth surface is to simply remove pin 64, and adjust the blade about its pivot 38 until the proper hole 60 is in register with hole t2 and then inserting pin Se to secure the blade and member 5l! against relative movement, When it is desired to change the depth of cut or to position the bit of the blade above the Vearth surface, the operator simply removes pin 78, raises or lowers member 68 in the tubular passageway 58 until the proper holes in series 14 registers with hole 'i6 and inserts pin I8 to maintain these parts in xed relation so that when the shoe Tiflis positioned on the ground the bit 28 will be positioned in the desired position relative to the grounds surface.

It is quite apparent that this type of mounting may be used on substantially any blade type scraper or bulldozerhaving push arms joined together with a cross bar. The type of tractor or lift is not material to the proper operation of the blade mounting.

What I claim as new and desire to cover by Letters Patent is:

l. A scraper blade mounting comprising a pair of pusher arms joined together by a cross bar of rectangular cross section, a blade pivotally mounted on the front end of said pusher arms, va plate substantially the full vertical width of the blade extending rearwardly from said blade and having a series of holes concentric with the pivotal axis of said blade, an adjusting member provided at its rear edge with an open rectangular slot adapted to snugly engage said cross bar and secured at its front end to a pin in axial alignment with the pivot of said blade whereby it is carried in fixed relation to said arms and having a hole adapted to selectively register with the holes of said series, and means adapted to be extended through the registered holes t0 nteKCQIlIleQt Said plates With said adjusting member whereby to secure said blade at a predetermined angle relative to said push arms.

y2. A scraper blade mounting comprising a pair of pusher arms joined together by a cross bar, a blade pivotally mounted on the front end of said pusher arms, a plate extending rearwardly from said blade adjacentV each of said pusher arms each having a series Vof holes concentric with the pivotal axis of said blade, an adjusting member secured at its front end to the pivot of said blade and notched rearwardly at its rear edge to fit on said cross bar whereby it is carried in xed relation to said arms and adjacent each of said plates, each having a hole adapted to selectively register with the holes of the adjacent series, means adapted to be extended through the registered holes to interconnect said plates with said adjusting members whereby to secure said blade at a predetermined angle relative to said push arm, a member mounted for vertical adjustment in said adjusting member, and a shoe pivotally mounted on the lower end of said adjustable member for limited tilting movement relative thereto.

3. A scraper blade mounting comprising a pair of pusher arms joined together adjacent their outer ends by a cross bar, a blade pivotally mounted on the front end of said pusher arms, a plate extending rearwardly from said blade and having a series of holes concentric with the pivotal axis of said blade, an adjusting member fixed at its front end to the pivot of said blade and notched at its rear edge to fit over said cross bar whereby it is carried in xed relation to said arms and having a hole adapted to selectively register with the holes of said series and formed to present a substantially vertically disposed tubular portion, a pin adapted to engage in said registered holes whereby the blade is secured ata fixed, selected angle relative to said pusher arms, a member adjustably mounted in the tubular portion of said adjusting member and extending therebelow, a shoe tiltably mounted adjacent the lower end of said adjustable member.

4. A scraper blade mounting comprising a pair of pusher arms having a connecting cross bar, a scraper blade pivotally mounted on the front end of said pusher arms, a plate extending rearwardly from said blade and having a series of holes concentric with the pivotal axis of said blade, an adjusting member notched at its rear edge to t over said cross bar and secured at its forward position to the pivotal mounting of said blade, whereby it is secured in xed relation to said arms and having a hole adapted to selectively register with the holes of said series, whereby the plate and adjusting member may be relatively adjusted, a securing pin to pass through said registering holes, and a foot member adjustably carried by said adjusting member whereby the vertical position of the blade relative to the earths surface being worked is varied,V

5. A scraper blade mounting comprising a boom including a pair of push arms interconnected by a cross bar, a scraper blade disposed transversely of said tractor and pivotally connected to the front end of said boom by pins, plates rigidly attached to and extending rearwardly from said blade, each plate having a like series of holes concentric with the pivotal axis of said blade, adjusting members notched at their rear ends to engage saidcross bar and perforated at their front ends to respectively receive the pivot pins of said blade and having holes adaptedjto be ALBERT R. HENRY.

REFERENCES CITED The following references are of record in the le of this patent:

UNITED STATES PATENTS Number Number Name Date Conover July 8, 1924 Gustafson July 10, 1928 Cummings May 14, 1929 Jersey Aug. 18, 1931 Wooldridge June 7, 1932 Ritchie Nov. 20, 1934 Kuchar Apr. 27, 1937 FOREIGN PATENTS Country Date Germany Dec. 13, 1937 

